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Google Professional Cloud Network Engineer Exam - Topic 8 Question 57 Discussion

You have the following private Google Kubernetes Engine (GKE) cluster deployment:You have a virtual machine (VM) deployed in the same VPC in the subnetwork kubernetes-management with internal IP address 192.168.40 2/24 and no external IP address assigned. You need to communicate with the cluster master using kubectl. What should you do?
A) Add the network 192.168.40.0/24 to the masterAuthorizedNetworksConfig. Configure kubectl to communicate with the endpoint 192.168.38.2.
B) Add the network 192.168.38.0/28 to the masterAuthorizedNetworksConfig. Configure kubectl to communicate with the endpoint 192.168.38.2
C) Add the network 192.168.36.0/24 to the masterAuthorizedNetworksConfig. Configure kubectl to communicate with the endpoint 192.168.38.2
D) Add an external IP address to the VM, and add this IP address in the masterAuthorizedNetworksConfig. Configure kubectl to communicate with the endpoint 35.224.37.17.

Google Professional Cloud Network Engineer Exam - Topic 8 Question 57 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 57
Topic #: 8
[All Professional Cloud Network Engineer Questions]

You have the following private Google Kubernetes Engine (GKE) cluster deployment:

You have a virtual machine (VM) deployed in the same VPC in the subnetwork kubernetes-management with internal IP address 192.168.40 2/24 and no external IP address assigned. You need to communicate with the cluster master using kubectl. What should you do?

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Suggested Answer: A

by Gilma at Sep 21, 2022, 06:27 PM

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Olene
10 months ago
Wait, are we sure about the endpoint IP? That seems off!
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Armanda
10 months ago
D? Really? Why add an external IP when it's unnecessary?
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Georgene
10 months ago
C doesn't fit the subnet, so it's a no-go.
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Hortencia
11 months ago
I think B is better, smaller range is safer!
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Peter
11 months ago
Option A seems right, matches the subnet.
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Jovita
11 months ago
I feel like adding an external IP to the VM could be a valid approach, but I’m not sure if that’s necessary in this case.
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Pauline
11 months ago
I practiced a similar question where we had to configure kubectl access, but I can't recall if we needed to add an external IP or not.
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Kristofer
11 months ago
I think option A sounds familiar because it mentions the same subnet as the VM, but I’m not completely confident about the subnet mask.
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Maile
11 months ago
I remember something about masterAuthorizedNetworksConfig, but I'm not sure which IP range to use. Was it the one from the VM or something else?
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Latricia
11 months ago
I'm not totally sure about this one. I'll need to play around with the different regex options to see which one best matches the criteria of prices 100 or greater.
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Lillian
11 months ago
I'm a bit confused on this one. Accessing data in @TestVisible class variables seems like it could be a valid option, but I'm not sure if that's the best approach. I'll have to think about this one a bit more.
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Yolando
11 months ago
I think the key here is to find a DiffServ technology that can provide backward compatibility with the current IP Precedence solution. Based on the question, I'd go with option C - class selector code points.
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